MV8870 Datasheet (GEC Plessey Semiconductors)

MV8870, Integrated DTMF Receiver

The MV8870 / MV8870-1 monolithic DTMF receiver offers small size, low power consumption and high performance.

Its architecture consists of a bandsplit filter section, which separates the high and low tone groups, followed by a digital counting section which verifies the frequency and duration of the

www.DataSheet4U.com THIS DOCUMENT IS FOR MAINTENANCE PURPOSES ONLY AND IS NOT RECOMMENDED FOR NEW DESIGNS DataSheet4U.com DataShee DataSheet4U.com DataSheet 4 U .com www.DataSheet4U.com MV8870/MV8870-1 ADVANCE INFORMATION DS3140-2.1 MV8870 / MV8870-1 INTEGRATED DTMF RECEIVER The MV8870 / MV8870-1 is a complete DTMF receiver integrating both the bandsplit filter and digital decoder functions, fabricated in GPS’s double-poly ISO2-CMOS technology.

The filter section uses switched capacitor

MV8870 Features

* 3 GS 4 NC 2 IN- PD 10 NC 11 OSC1 12 OSC2 13 VSS 14 NC 15 TOE 16 Q1 17 Q2 18 Receiver Systems for BT or CEPT Specifications Paging Sytems Repeater Systems / Mobile Radio Credit Card Systems Remote Control DataShee HP28 Figure 1: Pin connections - top view SEL 5(7) PD FHT (8) FH (9) 11(17) Q1 6(